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ANGI Energy Systems supplies all of the components required for refueling a CNG vehicle. These components range from standard products ANGI installs around the world, to highly specialized and designed for a specific customer need. Most importantly, ANGI can provide the components as systems that function well together.
Natural gas dryers remove water vapor prior to storing or using natural gas for a vehicle fuel. High water content can cause blockage of CNG in fueling systems and can contribute to corrosion in storage vessels and piping.
The need for a dryer is determined by the water content of the incoming gas and the minimum ambient temperature. In cooler climates using standard pipeline natural gas, a dryer is likely required. A dryer may also be required in warmer climates.
ANGI typically provides dryers that operate on the low pressure side of the compression process. The low pressure dryer uses molecular sieve adsorbent desiccants to remove water vapor to extremely low levels. After operating for a period of time, the dryer has removed so much water that it requires regeneration or replacement of the desiccant. The dryers may include a hygrometer which confirms the gas has been sufficiently dried.
ANGI can provide a number of standard drying technologies:
ANGI can also custom engineer a drying process for a specific application.